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Crypto

Steak \'n Shake says same-store sales at franchise partners up 19 percent after bitcoin payments

U.S. restaurant chain Steak \'n Shake said same-store sales at its franchise partner outlets were up 19 percent year on year so far in the third quarter after it introduced bitcoin payments. The company disclosed the figure on X, though it has not been verified in a filing by parent Biglari Holdings and the quarter is not over. Biglari has reported higher same-store sales in the first and second quarters.

Crypto

Bitcoin developer says he gave up buying more over self-custody fears

A well-known developer who believes in bitcoin\'s long-term potential said he did not buy more BTC because he was anxious about asset storage. Rene Pickhardt, a German bitcoin researcher and Lightning Network developer, cited private key management and security risks. The comments have drawn attention to the burden of self-custody, a core cryptocurrency value. Concerns resurfaced after a security incident involving certain Coldcard hardware wallet versions.

Crypto

Boltz suspends service as AI-driven hacking attempts spread

Non-custodial Bitcoin swap service Boltz has suspended its service until further notice after an increase in AI-based hacking attempts in recent months. Cointelegraph reported that Boltz said automated AI reconnaissance targeting its infrastructure has steadily risen this year. Boltz said it decided not to resume Boltz Swap after reviewing recent security check results, citing active targeting by multiple groups and limits of its small development team.